Issued: 7:03 AM PST Saturday, November 28, 2020
by Dennis D'Amico

Jump to: Weather Forecast I Snow/Freezing Level I Precipitation I Free Winds 5k I Free Winds 9k

Weather Synopsis for Saturday & Thursday

A weak front moved through the area last night, bringing a few inches of snow to the Mt Baker area with little to no snow accumulation elsewhere due to lighter precipitation and higher snow overnight snow levels. The dissipating front may ring out a few very light showers this morning and then we should be off to the races for a widespread clearing trend later today. 

An upper level ridge will build offshore during the day today and pass inland overnight. Besides dry conditions taking hold this weekend, freezing levels will be on the rise, peaking at 7000-8000' midday Sunday for areas west of the Cascade crest and Mt. Hood. Easterly offshore flow will help draw cool air through the Cascade Passes, creating temperature inversions and breezy conditions Saturday night and Sunday. The east slopes of the Cascades will also moderate temperature-wise, but the relatively cooler air lodged over the central and northeast Cascades won't be scoured out completely.

An approaching frontal system will spread clouds over the Olympics by late morning Sunday with cloud cover increasing for the Cascades by mid to late afternoon Sunday. 

Weather Forecast

Hurricane Ridge
Mt. Baker
Washington Pass and Leavenworth
Stevens and Snoqualmie Pass
Mt. Rainier, Crystal and White Pass
Mt. Hood

Snow/Freezing Level (ft)

Hurricane Ridge Mt. Baker Washington Pass Leavenworth Stevens Pass Snoqualmie Pass Mt. Rainier, Crystal & White Pass Mt. Hood
Saturday Morning Snow Level 3500' 3000' 2500' 2500' 3500' 3500' 4000' 5500'
Saturday Afternoon Freezing Level 4000' 3500' 3500' 3500' 4000' 4000' 4500' 6500'
Saturday Evening Freezing Level 5500' 3500' 2500' 2500' 3000' 3500' 7500' 6500'
Saturday Night Freezing Level * 7000' 6000' 2500' 2500' 3500' 5500' 7500' 8500'
Sunday Morning Freezing Level * 7500' 6500' 3000' 3500' 5500' 7500' 7500' 8500'
Hurricane Ridge Elevation
Saturday Morning Snow Level
3500'
Saturday Afternoon Freezing Level
4000'
Saturday Evening Freezing Level
5500'
Saturday Night Freezing Level
7000'
(Easterly Flow *)
Sunday Morning Freezing Level
7500'
(Easterly Flow *)
Sunday Afternoon Freezing Level
6500'
(Easterly Flow *)
Mt. Baker Elevation
Saturday Morning Snow Level
3000'
Saturday Afternoon Freezing Level
3500'
Saturday Evening Freezing Level
3500'
Saturday Night Freezing Level
6000'
(Easterly Flow *)
Sunday Morning Freezing Level
6500'
(Easterly Flow *)
Sunday Afternoon Freezing Level
5500'
(Easterly Flow *)
Washington Pass Elevation
Saturday Morning Snow Level
2500'
Saturday Afternoon Freezing Level
3500'
Saturday Evening Freezing Level
2500'
Saturday Night Freezing Level
2500'
(Easterly Flow *)
Sunday Morning Freezing Level
3000'
(Easterly Flow *)
Sunday Afternoon Freezing Level
3500'
(Easterly Flow *)
Leavenworth Elevation
Saturday Morning Snow Level
2500'
Saturday Afternoon Freezing Level
3500'
Saturday Evening Freezing Level
2500'
Saturday Night Freezing Level
2500'
(Easterly Flow *)
Sunday Morning Freezing Level
3500'
(Easterly Flow *)
Sunday Afternoon Freezing Level
4000'
(Easterly Flow *)
Stevens Pass Elevation
Saturday Morning Snow Level
3500'
Saturday Afternoon Freezing Level
4000'
Saturday Evening Freezing Level
3000'
Saturday Night Freezing Level
3500'
(Easterly Flow *)
Sunday Morning Freezing Level
5500'
(Easterly Flow *)
Sunday Afternoon Freezing Level
5500'
(Easterly Flow *)
Snoqualmie Pass Elevation
Saturday Morning Snow Level
3500'
Saturday Afternoon Freezing Level
4000'
Saturday Evening Freezing Level
3500'
Saturday Night Freezing Level
5500'
(Easterly Flow *)
Sunday Morning Freezing Level
7500'
(Easterly Flow *)
Sunday Afternoon Freezing Level
6500'
(Easterly Flow *)
Mt. Rainier & Crystal Elevation
Saturday Morning Snow Level
4000'
Saturday Afternoon Freezing Level
4500'
Saturday Evening Freezing Level
7500'
Saturday Night Freezing Level
7500'
(Easterly Flow *)
Sunday Morning Freezing Level
7500'
(Easterly Flow *)
Sunday Afternoon Freezing Level
7000'
(Easterly Flow *)
Mt. Hood Elevation
Saturday Morning Snow Level
5500'
Saturday Afternoon Freezing Level
6500'
Saturday Evening Freezing Level
6500'
Saturday Night Freezing Level
8500'
(Easterly Flow *)
Sunday Morning Freezing Level
8500'
(Easterly Flow *)
Sunday Afternoon Freezing Level
8000'
(Easterly Flow *)

* Easterly flow in the Cascade Passes can cause locally lower Snow or Freezing levels than areas further west.
Freezing Level is when no precipitation is forecast.

Precipitation Forecast

Saturday Saturday Night Thursday
4 am - 4 pm 4 pm - 4 am 4 am - 4 pm
Hurricane Ridge 0 0 LT 0.10
Mt Baker Ski Area 0 0 0
Washington Pass 0 0 0
Leavenworth 0 0 0
Stevens Pass LT 0.10 0 0
Snoqualmie Pass LT 0.10 0 0
Mission Ridge 0 0 0
Crystal Mt 0 0 0
Paradise LT 0.10 0 0
White Pass LT 0.10 0 0
Mt Hood Meadows LT 0.10 0 0
LT 0.10 0 0
Hurricane Ridge Precipitation Forecast
Saturday 0
Saturday Night 0
Thursday LT 0.10
Mt Baker Ski Area Precipitation Forecast
Saturday 0
Saturday Night 0
Thursday 0
Washington Pass Precipitation Forecast
Saturday 0
Saturday Night 0
Thursday 0
Leavenworth Precipitation Forecast
Saturday 0
Saturday Night 0
Thursday 0
Stevens Pass Precipitation Forecast
Saturday LT 0.10
Saturday Night 0
Thursday 0
Snoqualmie Pass Precipitation Forecast
Saturday LT 0.10
Saturday Night 0
Thursday 0
Mission Ridge Precipitation Forecast
Saturday 0
Saturday Night 0
Thursday 0
Crystal Mt Precipitation Forecast
Saturday 0
Saturday Night 0
Thursday 0
Paradise Precipitation Forecast
Saturday LT 0.10
Saturday Night 0
Thursday 0
White Pass Precipitation Forecast
Saturday LT 0.10
Saturday Night 0
Thursday 0
Mt Hood Meadows Precipitation Forecast
Saturday LT 0.10
Saturday Night 0
Thursday 0
Timberline Precipitation Forecast
Saturday LT 0.10
Saturday Night 0
Thursday 0

Free Winds at 5000' (mph)

Hurricane Ridge Mt. Baker Stevens to Snoqualmie Pass Mt. Rainier Mt. Hood
Saturday Morning SW 0 - 10 SW 0 - 10 WSW 10 - 20 SW 5 - 15 W 10 - 20
Saturday Afternoon S 0 - 10 S 0 - 10 SW 0 - 10 SW 0 - 10 W 10 - 20
Saturday Evening SE 0 - 10 S 0 - 10 SE 5 - 15 SE 0 - 10 SE 5 - 15
Saturday Night S 0 - 10 S 0 - 10 SE 10 - 20 SE 5 - 15 S 5 - 15
Sunday Morning SE 5 - 15 S 5 - 15 SE 10 - 20 SE 5 - 15 S 5 - 15
Hurricane Ridge Elevation
Saturday Morning SW 0 - 10
Saturday Afternoon S 0 - 10
Saturday Evening SE 0 - 10
Saturday Night S 0 - 10
Sunday Morning SE 5 - 15
Sunday Afternoon S 15 - 25
Mt. Baker Elevation
Saturday Morning SW 0 - 10
Saturday Afternoon S 0 - 10
Saturday Evening S 0 - 10
Saturday Night S 0 - 10
Sunday Morning S 5 - 15
Sunday Afternoon S 15 - 25
Stevens and Snoqualmie Pass Elevation
Saturday Morning WSW 10 - 20
Saturday Afternoon SW 0 - 10
Saturday Evening SE 5 - 15
Saturday Night SE 10 - 20
Sunday Morning SE 10 - 20
Sunday Afternoon SE 10 - 20
Mt. Rainier Elevation
Saturday Morning SW 5 - 15
Saturday Afternoon SW 0 - 10
Saturday Evening SE 0 - 10
Saturday Night SE 5 - 15
Sunday Morning SE 5 - 15
Sunday Afternoon SE 5 - 15
Mt. Hood Elevation
Saturday Morning W 10 - 20
Saturday Afternoon W 10 - 20
Saturday Evening SE 5 - 15
Saturday Night S 5 - 15
Sunday Morning S 5 - 15
Sunday Afternoon SSW 5 - 15
Hurricane Ridge Direction - Speed
Saturday Morning SW 0 - 10
Saturday Afternoon S 0 - 10
Saturday Evening SE 0 - 10
Saturday Night S 0 - 10
Sunday Morning SE 5 - 15
Sunday Afternoon S 15 - 25
Mt. Baker Direction - Speed
Saturday Morning SW 0 - 10
Saturday Afternoon S 0 - 10
Saturday Evening S 0 - 10
Saturday Night S 0 - 10
Sunday Morning S 5 - 15
Sunday Afternoon S 15 - 25
Stevens and Snoqualmie Pass Direction - Speed
Saturday Morning WSW 10 - 20
Saturday Afternoon SW 0 - 10
Saturday Evening SE 5 - 15
Saturday Night SE 10 - 20
Sunday Morning SE 10 - 20
Sunday Afternoon SE 10 - 20
Mt. Rainier Direction - Speed
Saturday Morning SW 5 - 15
Saturday Afternoon SW 0 - 10
Saturday Evening SE 0 - 10
Saturday Night SE 5 - 15
Sunday Morning SE 5 - 15
Sunday Afternoon SE 5 - 15
Mt. Hood Direction - Speed
Saturday Morning W 10 - 20
Saturday Afternoon W 10 - 20
Saturday Evening SE 5 - 15
Saturday Night S 5 - 15
Sunday Morning S 5 - 15
Sunday Afternoon SSW 5 - 15

Directions above indicate the direction the wind blows from on the 16-point cardinal scale. These winds indicate "free" winds, or those winds in the atmosphere not influenced by terrain. Topographical effects may produce greater or lower wind speeds in certain locations as well as significant variations in direction.

Free Winds at 9000' (mph)

Mt. Baker Washington Pass Stevens to Snoqualmie Pass Mt. Rainier Mt. Hood
Saturday Morning W 25 - 35 W 40 - 50 W 30 - 40 W 30 - 40 W 25 - 35
Saturday Afternoon WNW 20 - 30 WNW 20 - 30 NW 25 - 35 NW 15 - 25 NW 15 - 25
Saturday Evening W 10 - 20 W 10 - 20 W 10 - 20 W 5 - 15 NW 0 - 10
Saturday Night SW 15 - 25 SW 10 - 20 SW 15 - 25 SW 10 - 20 SE 0 - 10
Sunday Morning SW 20 - 30 SW 20 - 30 SW 20 - 30 SW 10 - 20 SE 10 - 20
Mt. Baker Direction - Speed
Saturday Morning W 25 - 35
Saturday Afternoon WNW 20 - 30
Saturday Evening W 10 - 20
Saturday Night SW 15 - 25
Sunday Morning SW 20 - 30
Sunday Afternoon SW 30 - 40
Washington Pass Direction - Speed
Saturday Morning W 40 - 50
Saturday Afternoon WNW 20 - 30
Saturday Evening W 10 - 20
Saturday Night SW 10 - 20
Sunday Morning SW 20 - 30
Sunday Afternoon SW 30 - 40
Stevens and Snoqualmie Pass Direction - Speed
Saturday Morning W 30 - 40
Saturday Afternoon NW 25 - 35
Saturday Evening W 10 - 20
Saturday Night SW 15 - 25
Sunday Morning SW 20 - 30
Sunday Afternoon SW 25 - 35
Mt. Rainier Direction - Speed
Saturday Morning W 30 - 40
Saturday Afternoon NW 15 - 25
Saturday Evening W 5 - 15
Saturday Night SW 10 - 20
Sunday Morning SW 10 - 20
Sunday Afternoon SW 25 - 35
Mt. Hood Direction - Speed
Saturday Morning W 25 - 35
Saturday Afternoon NW 15 - 25
Saturday Evening NW 0 - 10
Saturday Night SE 0 - 10
Sunday Morning SE 10 - 20
Sunday Afternoon SW 20 - 30

Directions above indicate the direction the wind blows from on the 16-point cardinal scale. These winds indicate "free" winds, or those winds in the atmosphere not influenced by terrain. Topographical effects may produce greater or lower wind speeds in certain locations as well as significant variations in direction.

Jump to: Weather Forecast I Snow/Freezing Level I Precipitation I Free Winds 5k I Free Winds 9k

Previous forecast from Nov 27, 2020

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